>>17758761Unironically, this has actually happened. Some people with teeth fillings using a particular alloy thought they were hearing voices, it turns out their fillings were picking up local AM radio stations which was being amplified by their jawbones and transmitted to their ears.
That's where the "da gumment pud a chip in muh hed" meme came from. Most AM radio stations being talkback radio with a political theme. The affected "knew things they couldn't possibly have known" too.